This version of sdbm merely has all the dbm_* names translated to sdbm_*
so that we can link ndbm and sdbm into the same executable. (It also has
the bad() macro redefined to allow a zero-length key.)
Fri Apr 15 10:15:30 EDT 1994.
Additional portability/configuration changes for libsdbm by Andy Dougherty
doughera@lafayette.edu.
Mon Mar 22 03:24:47 PST 1999.
sdbm_exists added to the library by Russ Allbery .